<template>
  <div class="box">
    <div class="box__ghost">
      <div class="symbol"></div>
      <div class="symbol"></div>
      <div class="symbol"></div>
      <div class="symbol"></div>
      <div class="symbol"></div>
      <div class="symbol"></div>
      <div class="box__ghost-container">
        <div class="box__ghost-eyes">
          <div class="box__eye-left"></div>
          <div class="box__eye-right"></div>
        </div>
        <div class="box__ghost-bottom">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>
      <div class="box__ghost-shadow"></div>
    </div>

    <div class="box__description">
      <div class="box__description-container">
        <div class="box__description-title">404错误！</div>
        <div class="box__description-text">看来我们找不到你要找的那一页</div>
        <div class="box__description-text">Sorry~</div>
      </div>

      <a class="box__button" href="/">返回首页</a>

    </div>

  </div>

</template>

<script>

export default {
  name: 'Page404',
  computed: {}
}
</script>
<style>
html, body {
  background: #28254C;
  font-family: 'Ubuntu';
}

* {
  box-sizing: border-box;
}

.box {
  width: 350px;
  height: 100%;
  max-height: 600px;
  min-height: 450px;
  background: #332F63;
  border-radius: 20px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 30px 50px;
}

.box .box__ghost {
  padding: 15px 25px 25px;
  position: absolute;
  left: 50%;
  top: 30%;
  transform: translate(-50%, -30%);
}

.box .box__ghost .symbol:nth-child(1) {
  opacity: .2;
  animation: shine 4s ease-in-out 3s infinite;
}

.box .box__ghost .symbol:nth-child(1):before, .box .box__ghost .symbol:nth-child(1):after {
  content: '';
  width: 12px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  bottom: 65px;
  left: 0;
}

.box .box__ghost .symbol:nth-child(1):before {
  transform: rotate(45deg);
}

.box .box__ghost .symbol:nth-child(1):after {
  transform: rotate(-45deg);
}

.box .box__ghost .symbol:nth-child(2) {
  position: absolute;
  left: -5px;
  top: 30px;
  height: 18px;
  width: 18px;
  border-radius: 50%;
  border: 4px solid #fff;
  opacity: .2;
  animation: shine 4s ease-in-out 1.3s infinite;
}

.box .box__ghost .symbol:nth-child(3) {
  opacity: .2;
  animation: shine 3s ease-in-out .5s infinite;
}

.box .box__ghost .symbol:nth-child(3):before, .box .box__ghost .symbol:nth-child(3):after {
  content: '';
  width: 12px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  top: 5px;
  left: 40px;
}

.box .box__ghost .symbol:nth-child(3):before {
  transform: rotate(90deg);
}

.box .box__ghost .symbol:nth-child(3):after {
  transform: rotate(180deg);
}

.box .box__ghost .symbol:nth-child(4) {
  opacity: .2;
  animation: shine 6s ease-in-out 1.6s infinite;
}

.box .box__ghost .symbol:nth-child(4):before, .box .box__ghost .symbol:nth-child(4):after {
  content: '';
  width: 15px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  top: 10px;
  right: 30px;
}

.box .box__ghost .symbol:nth-child(4):before {
  transform: rotate(45deg);
}

.box .box__ghost .symbol:nth-child(4):after {
  transform: rotate(-45deg);
}

.box .box__ghost .symbol:nth-child(5) {
  position: absolute;
  right: 5px;
  top: 40px;
  height: 12px;
  width: 12px;
  border: 3px solid;
  border-radius: 50%;
  border-color: #fff;
  opacity: .2;
  animation: shine 1.7s ease-in-out 7s infinite;
}

.box .box__ghost .symbol:nth-child(6) {
  opacity: .2;
  animation: shine 2s ease-in-out 6s infinite;
}

.box .box__ghost .symbol:nth-child(6):before, .box .box__ghost .symbol:nth-child(6):after {
  content: '';
  width: 15px;
  height: 4px;
  background: #fff;
  position: absolute;
  border-radius: 5px;
  bottom: 65px;
  right: -5px;
}

.box .box__ghost .symbol:nth-child(6):before {
  transform: rotate(90deg);
}

.box .box__ghost .symbol:nth-child(6):after {
  transform: rotate(180deg);
}

.box .box__ghost .box__ghost-container {
  background: #fff;
  width: 100px;
  height: 100px;
  border-radius: 100px 100px 0 0;
  position: relative;
  margin: 0 auto;
  animation: upndown 3s ease-in-out infinite;
}

.box .box__ghost .box__ghost-container .box__ghost-eyes {
  position: absolute;
  left: 50%;
  top: 45%;
  height: 12px;
  width: 70px;
}

.box .box__ghost .box__ghost-container .box__ghost-eyes .box__eye-left {
  width: 12px;
  height: 12px;
  background: #332F63;
  border-radius: 50%;
  margin: 0 10px;
  position: absolute;
  left: 0;
}

.box .box__ghost .box__ghost-container .box__ghost-eyes .box__eye-right {
  width: 12px;
  height: 12px;
  background: #332F63;
  border-radius: 50%;
  margin: 0 10px;
  position: absolute;
  right: 0;
}

.box .box__ghost .box__ghost-container .box__ghost-bottom {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
}

.box .box__ghost .box__ghost-container .box__ghost-bottom div {
  flex-grow: 1;
  position: relative;
  top: -10px;
  height: 20px;
  border-radius: 100%;
  background-color: #fff;
}

.box .box__ghost .box__ghost-container .box__ghost-bottom div:nth-child(2n) {
  top: -12px;
  margin: 0 -0px;
  border-top: 15px solid #332F63;
  background: transparent;
}

.box .box__ghost .box__ghost-shadow {
  height: 20px;
  box-shadow: 0 50px 15px 5px #3B3769;
  border-radius: 50%;
  margin: 0 auto;
  animation: smallnbig 3s ease-in-out infinite;
}

.box .box__description {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.box .box__description .box__description-container {
  color: #fff;
  text-align: center;
  width: 200px;
  font-size: 16px;
  margin: 0 auto;
}

.box .box__description .box__description-container .box__description-title {
  font-size: 24px;
  letter-spacing: .5px;
}

.box .box__description .box__description-container .box__description-text {
  color: #8C8AA7;
  line-height: 20px;
  margin-top: 20px;
}

.box .box__description .box__button {
  display: block;
  position: relative;
  background: #FF5E65;
  border: 1px solid transparent;
  border-radius: 50px;
  height: 50px;
  text-align: center;
  text-decoration: none;
  color: #fff;
  line-height: 50px;
  font-size: 18px;
  padding: 0 70px;
  white-space: nowrap;
  margin-top: 25px;
  transition: background .5s ease;
  overflow: hidden;
}

.box .box__description .box__button:before {
  content: '';
  position: absolute;
  width: 20px;
  height: 100px;
  background: #fff;
  bottom: -25px;
  left: 0;
  border: 2px solid #fff;
  transform: translateX(-50px) rotate(45deg);
  transition: transform .5s ease;
}

.box .box__description .box__button:hover {
  background: transparent;
  border-color: #fff;
}

.box .box__description .box__button:hover:before {
  transform: translateX(250px) rotate(45deg);
}

@keyframes upndown {
  0% {
    transform: translateY(5px);
  }
  50% {
    transform: translateY(15px);
  }
  100% {
    transform: translateY(5px);
  }
}

@keyframes smallnbig {
  0% {
    width: 90px;
  }
  50% {
    width: 100px;
  }
  100% {
    width: 90px;
  }
}

@keyframes shine {
  0% {
    opacity: .2;
  }
  25% {
    opacity: .1;
  }
  50% {
    opacity: .2;
  }
  100% {
    opacity: .2;
  }
}
</style>
